I see these entries in the adsysdis.log:
INFO: discovered object with ADsPath = 'LDAP://PDC-LOC-02.DOMAIN.LOCAL/CN=WIN7-SPARELT4,OU=Loaner Laptops,OU=Information Technology,OU=Computers,OU=Location,DC=Domain,DC=local'
SMS_AD_SYSTEM_DISCOVERY_AGENT 4/28/2015 12:02:08 AM
3280 (0x0CD0)
WARN: Failed to get following optional attributes, userWorkstations,manager,department,displayName,
SMS_AD_SYSTEM_DISCOVERY_AGENT 4/28/2015 12:02:08 AM
3280 (0x0CD0)
INFO: DDR was written for system 'WIN7-SPARELT4' - D:\Program Files\Microsoft Configuration Manager\inboxes\auth\ddm.box\adsmdt5d.DDR at 4/28/2015 0:0:2.
SMS_AD_SYSTEM_DISCOVERY_AGENT 4/28/2015 12:02:08 AM
3280 (0x0CD0)